Freescale Semiconductor, Inc.
Freescale Semiconductor, Inc...
MC68HC908GR8
MC68HC908GR4
Technical Data
M68HC08
Microcontrollers
MC68HC908GR8/D
Rev. 4, 6/2002
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Freescale Semiconductor, Inc.
Freescale Semiconductor, Inc...
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Freescale Semiconductor, Inc.
Freescale Semiconductor, Inc...
MC68HC908GR8
MC68HC908GR4
Technical Data — Rev 4.0
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vary over time. All operating parameters, including "Typicals" must be validated for
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© Motorola, Inc., 2002
MC68HC908GR8 — Rev 4.0
MOTOROLA
Technical Data
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Technical Data
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MC68HC908GR8 — Rev 4.0
MOTOROLA
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Freescale Semiconductor, Inc.
Technical Data — MC68HC908GR8
List of Paragraphs
List of Paragraphs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Section 1. General Description . . . . . . . . . . . . . . . . . . . . 25
Section 2. Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Section 3. Low Power Modes. . . . . . . . . . . . . . . . . . . . . . 49
Section 4. Resets and Interrupts . . . . . . . . . . . . . . . . . . . 61
Section 5. Analog-to-Digital Converter (ADC) . . . . . . . . 79
Section 6. Break Module (BRK) . . . . . . . . . . . . . . . . . . . . 91
Section 7. Clock Generator Module (CGMC) . . . . . . . . . 99
Section 8. Configuration Register (CONFIG) . . . . . . . . 129
Section 9. Computer Operating Properly (COP) . . . . . 133
Section 10. Central Processing Unit (CPU) . . . . . . . . . 139
Section 11. Flash Memory . . . . . . . . . . . . . . . . . . . . . . . 157
Section 12. External Interrupt (IRQ) . . . . . . . . . . . . . . . 167
Section 13. Keyboard Interrupt (KBI) . . . . . . . . . . . . . . 175
Section 14. Low-Voltage Inhibit (LVI) . . . . . . . . . . . . . . 183
Section 15. Monitor ROM (MON) . . . . . . . . . . . . . . . . . . 189
Section 16. Input/Output Ports (I/O) . . . . . . . . . . . . . . . 205
MC68HC908GR8 — Rev 4.0
MOTOROLA
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Technical Data
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